/**
 * 多行注释
 */
.box {
  color: #fff;
  background-color: #0ff;
  border: 1px solid #00f;
  color: #000;
  background-color: #ff0;
  border: 1px solid #0f0;
  width: 300px;
  height: "100px + 200px";
}
.box ul {
  border-radius: 50%;
  background-color: red;
  display: flex;
  justify-content: space-around;
  align-items: flex-start;
}
.box ul:hover {
  background-color: #0f0;
}
.box1 {
  color: #000;
  background-color: #ff0;
  border: 1px solid #0f0;
  width: 300px;
  height: "100px + 200px";
}
